April 7, 1950 — Boston, MA — Splitting Blue Light

[jeffknox]

April 7, 1950 — Boston, MA
A CAA control tower operator at Logan Airport in Boston, Massachusetts, watches a blue light split into two lights that revolve around each other for 10 minutes. [Eberhart]

Letter:

Source:
Brad Sparks, Blue Books Unknowns Catalogue, Case 357, p. 86;

J Allen Hynek, The Hynek UFO Report, pp. 65–68;